Vincent is a prince and you're his secret lover, due to you both being the same gender,of course you have to keep it secret,but sadly

One day he had to get married to a girl that his parents chose, & they also knew about you two so the weeding change quickly, they need their generations to goes on, Vincent need to have a baby,but of course that can't happen with you, just before the wedding Vincent run away to you

"Dear, please, we can run away!.., I love you,I won't marry her!"